The backbone of any project lies with requirements. The requirements identified, collected and documented at the initial stages, are generally designed, coded, tested, and takes the shapes of a product or an application to be used by the customers later. Those requirements are referred at any point of time by the team and other stakeholders to check whether the current project requirements are being met. And tracking back those bulk of requirements at the later stage of the project by manually examining the relationship between them is a cumbersome affair.Business Scenario – Case StudiesLet’s discuss a scenario, Mr. A is ... Read More

Cloud computing plays a crucial role in information and technology sector. It has changed the dimension of the society. Most of the companies are moving towards cloud due to its cost efficiency and scalability. Moving towards a new technology shouldn’t be an additional burden for the organization. Complete analysis on cost aspects of cloud and knowing the advantages of the cloud will avoid such unnecessary issue. As there are few cases where the existing environment will be cost efficient than moving to the cloud. The success of migration depends upon the choice of the cloud. This article will highlight the ... Read More

As the saying goes – A man must be big enough to admit his mistakes, smart enough to profit from them, and strong enough to correct them. In IT world too mistakes are commonly done by new comers in the field due to inexperience. The Unix world is no different from the rest, and system admins unknowingly tend to commit some avoidable errors in their early days in the beginning of their career. Here are a few mistakes which are made by new system admins or users while working at UNIX prompt.This article explains the 10 most common Linux mistakes.userdel ... Read More

Coined by a creatively influential and inventive team of Carnegie Mellon professors comprising Luis von Ahn, Nicholas J. Hopper, John Langford and Manuel Blum, CAPTCHA stands for Completely Automated Public Turing Test to tell Computers and Humans Apart. Captchas was first put to use in the early 2000 by the reputed search engine giants Alta Vista and Yahoo. Touted as one of the most powerful weapons that helps fight web spams and dubious chat bots, Captcha is a befitting solution to prevent fraud URL submissions as well.Turing TestTuring test is a test named after the father of modern computer science- ... Read More

This article helps you to know some key features of Linux Operating systems so that you are able to choose Linux for your environment. The year 2015 and the current 2016 will be a crucial year for Linux especially in the enterprise-level segment and consumer/home users. As a Linux user since 1996, I can see that the operating systems have come a long way since 20 years. We can definitely expect more exciting times with new flavors this year.Free/Open Source Server Based OS ‘Debian/CentOS’If you are looking at running a server, but needed a free or open source server version ... Read More

Microsoft’s Surface Studio is an elegant and mature all-in-one desktop PC with built-in touch screen specially designed for creative professionals. Microsoft first release was the Microsoft PixelSense formerly called as Microsoft Surface back in 2008. The next release was the Microsoft surface tablet followed by the Surface Book. The latest upgraded release is the Surface Studio.The Studio is a 28-inch sharp, incredibly thin display mounted on a pair of “zero gravity” hinges that allows it to act as a regular monitor or tilt down into a type of drafting table. Without doubts Microsoft studio will be a clear challenge to ... Read More

Sed is a stream editor. A stream editor is used to participate in normal textual content transformations on an enter a file. At the same time in some approaches much like an editor which allows scripted edits (comparable to ed). sed works by means of making only one cross over on the input(s) and is more efficient. Now, let us explore more about – “Text and File processing using sed Linux Commands”.Firstly, to verify the sed version, use the following command –$ sed --vThe sample output should be like this –sed (GNU sed) 4.2.2 Copyright (C) 2012 Free Software Foundation, ... Read More

Aptitude is founded by Ncurses for APT front End and debian Bundle Manager, considering the fact that it is text-based and it runs from a terminal or a CLI – command line interface. This article explains about-“Linux Package Management with Aptitude”What is APTapt is a command line package manager and provides commands for searching and managing as well as querying information about packages. It provides the same functionality as the specialized APT tools, like apt-get and apt-cache, but enables options more suitable for interactive use by default.]To get more information about APT, use the following command –$ aptThe sample output ... Read More

TesterA Software tester performs testing on the software to ensure that it meets the required quality standards. A Tester is responsible to check if the software has bugs/defects and performs as what is required from it. A software tester is unaware of application code and its development process.SDETSDET stands for Software Development Engineer in Test. SDET is part of both development as well as software testing. A SDET knows the code of software. A SDET is a tester who can code as well.Following are the important differences between Tester and SDET.Sr. No.KeyTesterSDET1WorkingSoftware Tester tests the application once it is testing ... Read More

Use Cases and Test Cases are two important terms in context of Software Testing. A use case tells how a System will behave or perform a certain task provided the given conditions and a test case contains the actual test data, set of instructions to system and expected result of the interaction with system.Following are the important difference between Use Case and Test Case.Sr. No.KeyUse CaseTest Case1ObjectiveThe objective of Use case is to ascertain a certain output after the set of operations.The objective of test case is to ensure that system is working fine for each given instruction and yields ... Read More